Wisconsin State Park System

"Seventh-grader Grace, her younger brother Wyatt, and their parents travel across Wisconsin following the path of the Ice Age National Scenic Trail. Along the way, they discover the state's fascinating glacial history and the amazing effects of the glaciers on Wisconsin. The Ice Age Trail is part of the National Trails System that includes 10 other National Scenic Trails. It follows the edge of the Laurentide Ice Sheet, a half-mile thick glacier...